added copyrights

241 files changed, 4097 insertions, 0 deletions

diff --git a/usrp2/control_lib/atr_controller.v b/usrp2/control_lib/atr_controller.v
index a161b5e00..2cef8ba2b 100644
--- a/usrp2/control_lib/atr_controller.v
+++ b/usrp2/control_lib/atr_controller.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Automatic transmit/receive switching of control pins to daughterboards
 // Store everything in registers for now, but could use a RAM for more
diff --git a/usrp2/control_lib/atr_controller16.v b/usrp2/control_lib/atr_controller16.v
index 74ce30a54..ff4f634c7 100644
--- a/usrp2/control_lib/atr_controller16.v
+++ b/usrp2/control_lib/atr_controller16.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Automatic transmit/receive switching of control pins to daughterboards
 // Store everything in registers for now, but could use a RAM for more
diff --git a/usrp2/control_lib/bin2gray.v b/usrp2/control_lib/bin2gray.v
index 513402163..8336a5afc 100644
--- a/usrp2/control_lib/bin2gray.v
+++ b/usrp2/control_lib/bin2gray.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module bin2gray
diff --git a/usrp2/control_lib/bootram.v b/usrp2/control_lib/bootram.v
index 29d21ab5a..249a09814 100644
--- a/usrp2/control_lib/bootram.v
+++ b/usrp2/control_lib/bootram.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Boot RAM for S3A, 8KB, dual port
 
diff --git a/usrp2/control_lib/clock_bootstrap_rom.v b/usrp2/control_lib/clock_bootstrap_rom.v
index 46563db65..542f49380 100644
--- a/usrp2/control_lib/clock_bootstrap_rom.v
+++ b/usrp2/control_lib/clock_bootstrap_rom.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module clock_bootstrap_rom(input [15:0] addr, output [47:0] data);
diff --git a/usrp2/control_lib/clock_control.v b/usrp2/control_lib/clock_control.v
index 1bbe6bd75..000eaf1fb 100644
--- a/usrp2/control_lib/clock_control.v
+++ b/usrp2/control_lib/clock_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // AD9510 Register Map (from datasheet Rev. A)
diff --git a/usrp2/control_lib/clock_control_tb.v b/usrp2/control_lib/clock_control_tb.v
index 4e705cf23..9760efbe3 100644
--- a/usrp2/control_lib/clock_control_tb.v
+++ b/usrp2/control_lib/clock_control_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module clock_control_tb();
diff --git a/usrp2/control_lib/dcache.v b/usrp2/control_lib/dcache.v
index 9063bf02a..384c5a149 100644
--- a/usrp2/control_lib/dcache.v
+++ b/usrp2/control_lib/dcache.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module dcache
   #(parameter AWIDTH=14,
diff --git a/usrp2/control_lib/decoder_3_8.v b/usrp2/control_lib/decoder_3_8.v
index 729b45d18..8f91d8263 100644
--- a/usrp2/control_lib/decoder_3_8.v
+++ b/usrp2/control_lib/decoder_3_8.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module decoder_3_8 
   (input [2:0] sel, 
diff --git a/usrp2/control_lib/dpram32.v b/usrp2/control_lib/dpram32.v
index 4da621823..386435e70 100644
--- a/usrp2/control_lib/dpram32.v
+++ b/usrp2/control_lib/dpram32.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Dual ported RAM
 //    Addresses are byte-oriented, so botton 2 address bits are ignored.
diff --git a/usrp2/control_lib/fifo_to_wb.v b/usrp2/control_lib/fifo_to_wb.v
index b2a2fd18b..9b6b5e804 100644
--- a/usrp2/control_lib/fifo_to_wb.v
+++ b/usrp2/control_lib/fifo_to_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo_to_wb
   #(parameter PKT_LEN = 16)
diff --git a/usrp2/control_lib/fifo_to_wb_tb.v b/usrp2/control_lib/fifo_to_wb_tb.v
index 96ef4647c..37459e2c2 100644
--- a/usrp2/control_lib/fifo_to_wb_tb.v
+++ b/usrp2/control_lib/fifo_to_wb_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module fifo_to_wb_tb();
    
    reg clk = 0;
diff --git a/usrp2/control_lib/gray2bin.v b/usrp2/control_lib/gray2bin.v
index 5df40bd52..399d5bba0 100644
--- a/usrp2/control_lib/gray2bin.v
+++ b/usrp2/control_lib/gray2bin.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module gray2bin
diff --git a/usrp2/control_lib/gray_send.v b/usrp2/control_lib/gray_send.v
index 7fc07d40c..62402f8d3 100644
--- a/usrp2/control_lib/gray_send.v
+++ b/usrp2/control_lib/gray_send.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 
diff --git a/usrp2/control_lib/icache.v b/usrp2/control_lib/icache.v
index bd21f47cc..810b5fa64 100644
--- a/usrp2/control_lib/icache.v
+++ b/usrp2/control_lib/icache.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module icache
   #(parameter AWIDTH=14,
diff --git a/usrp2/control_lib/longfifo.v b/usrp2/control_lib/longfifo.v
index bf3338e0b..c77f2dcb1 100644
--- a/usrp2/control_lib/longfifo.v
+++ b/usrp2/control_lib/longfifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIFO intended to be interchangeable with shortfifo, but
 //  based on block ram instead of SRL16's
diff --git a/usrp2/control_lib/medfifo.v b/usrp2/control_lib/medfifo.v
index 5a77e8c16..0f66f6597 100644
--- a/usrp2/control_lib/medfifo.v
+++ b/usrp2/control_lib/medfifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module medfifo
   #(parameter WIDTH=32,
diff --git a/usrp2/control_lib/mux4.v b/usrp2/control_lib/mux4.v
index 31c85c832..b1878f011 100644
--- a/usrp2/control_lib/mux4.v
+++ b/usrp2/control_lib/mux4.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module mux4
diff --git a/usrp2/control_lib/mux8.v b/usrp2/control_lib/mux8.v
index 9db96a60f..bdb015dc3 100644
--- a/usrp2/control_lib/mux8.v
+++ b/usrp2/control_lib/mux8.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module mux8
diff --git a/usrp2/control_lib/mux_32_4.v b/usrp2/control_lib/mux_32_4.v
index fef5812e9..4a1244933 100644
--- a/usrp2/control_lib/mux_32_4.v
+++ b/usrp2/control_lib/mux_32_4.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module mux_32_4
diff --git a/usrp2/control_lib/oneshot_2clk.v b/usrp2/control_lib/oneshot_2clk.v
index 72f16a4b3..7ed5bc8f6 100644
--- a/usrp2/control_lib/oneshot_2clk.v
+++ b/usrp2/control_lib/oneshot_2clk.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Retime a single bit from one clock domain to another
 // Guarantees that no matter what the relative clock rates, if the in signal is high for at least
diff --git a/usrp2/control_lib/priority_enc.v b/usrp2/control_lib/priority_enc.v
index 916192445..d30870be9 100644
--- a/usrp2/control_lib/priority_enc.v
+++ b/usrp2/control_lib/priority_enc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module priority_enc
   (input [31:0] in,
diff --git a/usrp2/control_lib/quad_uart.v b/usrp2/control_lib/quad_uart.v
index afa6fae1d..39998150d 100644
--- a/usrp2/control_lib/quad_uart.v
+++ b/usrp2/control_lib/quad_uart.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module quad_uart
   #(parameter TXDEPTH = 1,
diff --git a/usrp2/control_lib/ram_2port.v b/usrp2/control_lib/ram_2port.v
index 3716a7c8a..86d7e4703 100644
--- a/usrp2/control_lib/ram_2port.v
+++ b/usrp2/control_lib/ram_2port.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ram_2port
diff --git a/usrp2/control_lib/ram_2port_mixed_width.v b/usrp2/control_lib/ram_2port_mixed_width.v
index fae7d8de3..2910d4041 100644
--- a/usrp2/control_lib/ram_2port_mixed_width.v
+++ b/usrp2/control_lib/ram_2port_mixed_width.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module ram_2port_mixed_width
   (input clk16,
diff --git a/usrp2/control_lib/ram_harv_cache.v b/usrp2/control_lib/ram_harv_cache.v
index 29fdebf7a..e68ed7f68 100644
--- a/usrp2/control_lib/ram_harv_cache.v
+++ b/usrp2/control_lib/ram_harv_cache.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Dual ported, Harvard architecture, cached ram
diff --git a/usrp2/control_lib/ram_harvard.v b/usrp2/control_lib/ram_harvard.v
index a190e20fd..00ffb1984 100644
--- a/usrp2/control_lib/ram_harvard.v
+++ b/usrp2/control_lib/ram_harvard.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Dual ported, Harvard architecture, cached ram
diff --git a/usrp2/control_lib/ram_harvard2.v b/usrp2/control_lib/ram_harvard2.v
index 67777af2a..d8fe472f5 100644
--- a/usrp2/control_lib/ram_harvard2.v
+++ b/usrp2/control_lib/ram_harvard2.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Dual ported, Harvard architecture
diff --git a/usrp2/control_lib/ram_loader.v b/usrp2/control_lib/ram_loader.v
index c53ea7aa7..85ccf91b4 100644
--- a/usrp2/control_lib/ram_loader.v
+++ b/usrp2/control_lib/ram_loader.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module ram_loader
   #(parameter AWIDTH=16, RAM_SIZE=16384)
     (
diff --git a/usrp2/control_lib/ram_wb_harvard.v b/usrp2/control_lib/ram_wb_harvard.v
index c3efc12e0..8d5a45247 100644
--- a/usrp2/control_lib/ram_wb_harvard.v
+++ b/usrp2/control_lib/ram_wb_harvard.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Dual ported RAM for Harvard architecture processors
 //    Does no forwarding
diff --git a/usrp2/control_lib/reset_sync.v b/usrp2/control_lib/reset_sync.v
index 94d966840..304aba106 100644
--- a/usrp2/control_lib/reset_sync.v
+++ b/usrp2/control_lib/reset_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module reset_sync
diff --git a/usrp2/control_lib/s3a_icap_wb.v b/usrp2/control_lib/s3a_icap_wb.v
index 83d9f775e..e49b56cff 100644
--- a/usrp2/control_lib/s3a_icap_wb.v
+++ b/usrp2/control_lib/s3a_icap_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module s3a_icap_wb
diff --git a/usrp2/control_lib/sd_spi.v b/usrp2/control_lib/sd_spi.v
index 3f4d7f46a..fa998d19a 100644
--- a/usrp2/control_lib/sd_spi.v
+++ b/usrp2/control_lib/sd_spi.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module sd_spi
   (input clk,
    input rst,
diff --git a/usrp2/control_lib/sd_spi_tb.v b/usrp2/control_lib/sd_spi_tb.v
index e30a5bdf6..2b5ae083f 100644
--- a/usrp2/control_lib/sd_spi_tb.v
+++ b/usrp2/control_lib/sd_spi_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module sd_spi_tb;
diff --git a/usrp2/control_lib/sd_spi_wb.v b/usrp2/control_lib/sd_spi_wb.v
index 7a6258b56..b09debd70 100644
--- a/usrp2/control_lib/sd_spi_wb.v
+++ b/usrp2/control_lib/sd_spi_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Wishbone module for spi communications with an SD Card
 // The programming interface is simple -- 
diff --git a/usrp2/control_lib/setting_reg.v b/usrp2/control_lib/setting_reg.v
index 3d3bb65e5..e4c84d910 100644
--- a/usrp2/control_lib/setting_reg.v
+++ b/usrp2/control_lib/setting_reg.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module setting_reg
diff --git a/usrp2/control_lib/settings_bus.v b/usrp2/control_lib/settings_bus.v
index aec179516..e2ea7e44b 100644
--- a/usrp2/control_lib/settings_bus.v
+++ b/usrp2/control_lib/settings_bus.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Grab settings off the wishbone bus, send them out to our simpler bus on the fast clock
 
diff --git a/usrp2/control_lib/settings_bus_16LE.v b/usrp2/control_lib/settings_bus_16LE.v
index 76061e9e0..7c42a0870 100644
--- a/usrp2/control_lib/settings_bus_16LE.v
+++ b/usrp2/control_lib/settings_bus_16LE.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Grab settings off the wishbone bus, send them out to settings bus
 // 16 bits little endian, but all registers need to be written 32 bits at a time.
diff --git a/usrp2/control_lib/settings_bus_crossclock.v b/usrp2/control_lib/settings_bus_crossclock.v
index b043aa0ad..9c5912042 100644
--- a/usrp2/control_lib/settings_bus_crossclock.v
+++ b/usrp2/control_lib/settings_bus_crossclock.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // This module takes the settings bus on one clock domain and crosses it over to another domain
diff --git a/usrp2/control_lib/shortfifo.v b/usrp2/control_lib/shortfifo.v
index d8ce1428e..c7c916375 100644
--- a/usrp2/control_lib/shortfifo.v
+++ b/usrp2/control_lib/shortfifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module shortfifo
   #(parameter WIDTH=32)
diff --git a/usrp2/control_lib/simple_uart.v b/usrp2/control_lib/simple_uart.v
index 0dd58b5f5..f44a719f4 100644
--- a/usrp2/control_lib/simple_uart.v
+++ b/usrp2/control_lib/simple_uart.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_uart
   #(parameter TXDEPTH = 1,
diff --git a/usrp2/control_lib/simple_uart_rx.v b/usrp2/control_lib/simple_uart_rx.v
index debdd618b..5f7646e03 100644
--- a/usrp2/control_lib/simple_uart_rx.v
+++ b/usrp2/control_lib/simple_uart_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_uart_rx
diff --git a/usrp2/control_lib/simple_uart_tx.v b/usrp2/control_lib/simple_uart_tx.v
index e11a347ed..f38460bd4 100644
--- a/usrp2/control_lib/simple_uart_tx.v
+++ b/usrp2/control_lib/simple_uart_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_uart_tx
   #(parameter DEPTH=0)
diff --git a/usrp2/control_lib/spi.v b/usrp2/control_lib/spi.v
index a80c488e9..1abebee1c 100644
--- a/usrp2/control_lib/spi.v
+++ b/usrp2/control_lib/spi.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // AD9510 Register Map (from datasheet Rev. A)
diff --git a/usrp2/control_lib/srl.v b/usrp2/control_lib/srl.v
index fa28c7669..bdef30058 100644
--- a/usrp2/control_lib/srl.v
+++ b/usrp2/control_lib/srl.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module srl
   #(parameter WIDTH=18)
diff --git a/usrp2/control_lib/ss_rcvr.v b/usrp2/control_lib/ss_rcvr.v
index 8e650d21b..4fb732c23 100644
--- a/usrp2/control_lib/ss_rcvr.v
+++ b/usrp2/control_lib/ss_rcvr.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Source-synchronous receiver
diff --git a/usrp2/control_lib/system_control.v b/usrp2/control_lib/system_control.v
index 5d89f13db..7e7b71f3c 100644
--- a/usrp2/control_lib/system_control.v
+++ b/usrp2/control_lib/system_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // System bootup order:
 //    0 - Internal POR to reset this block.  Maybe control it from CPLD in the future?
 //    1 - Everything in reset
diff --git a/usrp2/control_lib/system_control_tb.v b/usrp2/control_lib/system_control_tb.v
index a8eff4811..8fecfd1f0 100644
--- a/usrp2/control_lib/system_control_tb.v
+++ b/usrp2/control_lib/system_control_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module system_control_tb();
diff --git a/usrp2/control_lib/traffic_cop.v b/usrp2/control_lib/traffic_cop.v
index e7579656a..874e4c2d9 100644
--- a/usrp2/control_lib/traffic_cop.v
+++ b/usrp2/control_lib/traffic_cop.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module traffic_cop();
 
diff --git a/usrp2/control_lib/v5icap_wb.v b/usrp2/control_lib/v5icap_wb.v
index c8800285a..92a6769e5 100644
--- a/usrp2/control_lib/v5icap_wb.v
+++ b/usrp2/control_lib/v5icap_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module v5icap_wb
diff --git a/usrp2/control_lib/wb_bridge_16_32.v b/usrp2/control_lib/wb_bridge_16_32.v
index 405e25c3c..7c62c9cbd 100644
--- a/usrp2/control_lib/wb_bridge_16_32.v
+++ b/usrp2/control_lib/wb_bridge_16_32.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module wb_bridge_16_32
diff --git a/usrp2/control_lib/wb_bus_writer.v b/usrp2/control_lib/wb_bus_writer.v
index fc148a0ff..08e641d37 100644
--- a/usrp2/control_lib/wb_bus_writer.v
+++ b/usrp2/control_lib/wb_bus_writer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // wb_bus_writer
 //
diff --git a/usrp2/control_lib/wb_output_pins32.v b/usrp2/control_lib/wb_output_pins32.v
index 1517f2066..43e239797 100644
--- a/usrp2/control_lib/wb_output_pins32.v
+++ b/usrp2/control_lib/wb_output_pins32.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Simple 32-bit Wishbone compatible slave output port
diff --git a/usrp2/control_lib/wb_ram_block.v b/usrp2/control_lib/wb_ram_block.v
index 044d34ca4..da6c610d3 100644
--- a/usrp2/control_lib/wb_ram_block.v
+++ b/usrp2/control_lib/wb_ram_block.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Since this is a block ram, there are no byte-selects and there is a 1-cycle read latency
diff --git a/usrp2/control_lib/wb_ram_dist.v b/usrp2/control_lib/wb_ram_dist.v
index cffc2f423..491a6ae11 100644
--- a/usrp2/control_lib/wb_ram_dist.v
+++ b/usrp2/control_lib/wb_ram_dist.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module wb_ram_dist
diff --git a/usrp2/control_lib/wb_readback_mux.v b/usrp2/control_lib/wb_readback_mux.v
index 3922b03e3..a5bf224b8 100644
--- a/usrp2/control_lib/wb_readback_mux.v
+++ b/usrp2/control_lib/wb_readback_mux.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Note -- clocks must be synchronous (derived from the same source)
diff --git a/usrp2/control_lib/wb_readback_mux_16LE.v b/usrp2/control_lib/wb_readback_mux_16LE.v
index 2b01898c1..aceec601b 100644
--- a/usrp2/control_lib/wb_readback_mux_16LE.v
+++ b/usrp2/control_lib/wb_readback_mux_16LE.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Note -- clocks must be synchronous (derived from the same source)
diff --git a/usrp2/control_lib/wb_regfile_2clock.v b/usrp2/control_lib/wb_regfile_2clock.v
index e248e5161..ce93ab3f4 100644
--- a/usrp2/control_lib/wb_regfile_2clock.v
+++ b/usrp2/control_lib/wb_regfile_2clock.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module wb_regfile_2clock
   (input wb_clk_i,
diff --git a/usrp2/control_lib/wb_semaphore.v b/usrp2/control_lib/wb_semaphore.v
index a9208e6a1..e90950509 100644
--- a/usrp2/control_lib/wb_semaphore.v
+++ b/usrp2/control_lib/wb_semaphore.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // up to 8 semaphores
 
diff --git a/usrp2/control_lib/wb_sim.v b/usrp2/control_lib/wb_sim.v
index b324e1457..9f2fbea54 100644
--- a/usrp2/control_lib/wb_sim.v
+++ b/usrp2/control_lib/wb_sim.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module wb_sim();
diff --git a/usrp2/extramfifo/ext_fifo.v b/usrp2/extramfifo/ext_fifo.v
index 80f82fc63..620f4dddd 100644
--- a/usrp2/extramfifo/ext_fifo.v
+++ b/usrp2/extramfifo/ext_fifo.v
@@ -1,4 +1,21 @@
 //
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+//
 // FIFO backed by an off chip ZBT/NoBL SRAM.
 //
 // This module and its sub-hierarchy implment a FIFO capable of sustaining 
diff --git a/usrp2/extramfifo/ext_fifo_tb.v b/usrp2/extramfifo/ext_fifo_tb.v
index 395ad2884..f6fe47297 100644
--- a/usrp2/extramfifo/ext_fifo_tb.v
+++ b/usrp2/extramfifo/ext_fifo_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 `define USRP2
 //`define USRP2PLUS
diff --git a/usrp2/extramfifo/nobl_fifo.v b/usrp2/extramfifo/nobl_fifo.v
index 0b63768fc..469e3eab5 100644
--- a/usrp2/extramfifo/nobl_fifo.v
+++ b/usrp2/extramfifo/nobl_fifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Since this FIFO uses a ZBT/NoBL SRAM for its storage which is a since port 
 // device it can only sustain data throughput at half the RAM clock rate.
 // Fair arbitration to ensure this occurs is included in this logic and
diff --git a/usrp2/extramfifo/nobl_if.v b/usrp2/extramfifo/nobl_if.v
index b5ebe9c6b..0a64d3857 100644
--- a/usrp2/extramfifo/nobl_if.v
+++ b/usrp2/extramfifo/nobl_if.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Tested against an IDT 71v65603s150 in simulation and a Cypress 7C1356C in the real world.
 
 module nobl_if
diff --git a/usrp2/extramfifo/refill_randomizer.v b/usrp2/extramfifo/refill_randomizer.v
index 0b30f4049..09728b8c0 100644
--- a/usrp2/extramfifo/refill_randomizer.v
+++ b/usrp2/extramfifo/refill_randomizer.v
@@ -1,4 +1,21 @@
 //
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+//
 // EMI mitigation.
 // Process FULL flag from FIFO so that de-assertion
 // (FIFO now not FULL) is delayed by a pseudo random
diff --git a/usrp2/extramfifo/test_sram_if.v b/usrp2/extramfifo/test_sram_if.v
index 0e74b49eb..dcb881a92 100644
--- a/usrp2/extramfifo/test_sram_if.v
+++ b/usrp2/extramfifo/test_sram_if.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Instantiate this block at the core level to conduct closed 
 // loop testing of the AC performance of the USRP2 SRAM interface
 
diff --git a/usrp2/fifo/buffer_int.v b/usrp2/fifo/buffer_int.v
index 49ded8c8d..c068226ec 100644
--- a/usrp2/fifo/buffer_int.v
+++ b/usrp2/fifo/buffer_int.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIFO Interface to the 2K buffer RAMs
 // Read port is read-acknowledge
diff --git a/usrp2/fifo/buffer_int2.v b/usrp2/fifo/buffer_int2.v
index 532980aa2..7dd528dd5 100644
--- a/usrp2/fifo/buffer_int2.v
+++ b/usrp2/fifo/buffer_int2.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIFO Interface to the 2K buffer RAMs
 // Read port is read-acknowledge
diff --git a/usrp2/fifo/buffer_int_tb.v b/usrp2/fifo/buffer_int_tb.v
index df54dcc0b..44f8be0a0 100644
--- a/usrp2/fifo/buffer_int_tb.v
+++ b/usrp2/fifo/buffer_int_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module buffer_int_tb ();
 
diff --git a/usrp2/fifo/buffer_pool.v b/usrp2/fifo/buffer_pool.v
index 41ac1deb3..48f5bd69c 100644
--- a/usrp2/fifo/buffer_pool.v
+++ b/usrp2/fifo/buffer_pool.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Buffer pool.  Contains 8 buffers, each 2K (512 by 32).  Each buffer
 // is a dual-ported RAM.  Port A on each of them is indirectly connected 
diff --git a/usrp2/fifo/buffer_pool_tb.v b/usrp2/fifo/buffer_pool_tb.v
index 91a01d268..0ee76689e 100644
--- a/usrp2/fifo/buffer_pool_tb.v
+++ b/usrp2/fifo/buffer_pool_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module buffer_pool_tb();
    
diff --git a/usrp2/fifo/crossbar36.v b/usrp2/fifo/crossbar36.v
index 2a046d8bf..4e2aed7ce 100644
--- a/usrp2/fifo/crossbar36.v
+++ b/usrp2/fifo/crossbar36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module crossbar36
diff --git a/usrp2/fifo/dsp_framer36.v b/usrp2/fifo/dsp_framer36.v
index 58455cee1..ef7395551 100644
--- a/usrp2/fifo/dsp_framer36.v
+++ b/usrp2/fifo/dsp_framer36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // This has 3 functions:
 //   Correct the VITA packet length
diff --git a/usrp2/fifo/fifo19_mux.v b/usrp2/fifo/fifo19_mux.v
index ebf961678..a23ac2bb4 100644
--- a/usrp2/fifo/fifo19_mux.v
+++ b/usrp2/fifo/fifo19_mux.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Mux packets from multiple FIFO interfaces onto a single one.
 //  Can alternate or give priority to one port (port 0)
diff --git a/usrp2/fifo/fifo19_pad.v b/usrp2/fifo/fifo19_pad.v
index 1a40c1631..bb6e1fa92 100644
--- a/usrp2/fifo/fifo19_pad.v
+++ b/usrp2/fifo/fifo19_pad.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Pads a packet out to the minimum length
 //  Packets already longer than min length are unchanged
diff --git a/usrp2/fifo/fifo19_to_fifo36.v b/usrp2/fifo/fifo19_to_fifo36.v
index 502821435..32734405a 100644
--- a/usrp2/fifo/fifo19_to_fifo36.v
+++ b/usrp2/fifo/fifo19_to_fifo36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Parameter LE tells us if we are little-endian.  
 // Little-endian means send lower 16 bits first.
diff --git a/usrp2/fifo/fifo19_to_ll8.v b/usrp2/fifo/fifo19_to_ll8.v
index 4707f7523..1ebb140c2 100644
--- a/usrp2/fifo/fifo19_to_ll8.v
+++ b/usrp2/fifo/fifo19_to_ll8.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo19_to_ll8
   (input clk, input reset, input clear,
diff --git a/usrp2/fifo/fifo36_demux.v b/usrp2/fifo/fifo36_demux.v
index a54759d4d..6f516691a 100644
--- a/usrp2/fifo/fifo36_demux.v
+++ b/usrp2/fifo/fifo36_demux.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Demux packets from a fifo based on the contents of the first line
 //  If first line matches the parameter and mask, send to data1, otherwise send to data0
diff --git a/usrp2/fifo/fifo36_mux.v b/usrp2/fifo/fifo36_mux.v
index 7f0f803ff..cf7b2b4d1 100644
--- a/usrp2/fifo/fifo36_mux.v
+++ b/usrp2/fifo/fifo36_mux.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Mux packets from multiple FIFO interfaces onto a single one.
 //  Can alternate or give priority to one port (port 0)
diff --git a/usrp2/fifo/fifo36_to_fifo19.v b/usrp2/fifo/fifo36_to_fifo19.v
index 0e9b2d442..cb93e10ad 100644
--- a/usrp2/fifo/fifo36_to_fifo19.v
+++ b/usrp2/fifo/fifo36_to_fifo19.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Parameter LE tells us if we are little-endian.  
 // Little-endian means send lower 16 bits first.
diff --git a/usrp2/fifo/fifo36_to_fifo72.v b/usrp2/fifo/fifo36_to_fifo72.v
index 038eda9e9..237149cc2 100644
--- a/usrp2/fifo/fifo36_to_fifo72.v
+++ b/usrp2/fifo/fifo36_to_fifo72.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Parameter LE tells us if we are little-endian.  
 // Little-endian means send lower 16 bits first.
diff --git a/usrp2/fifo/fifo36_to_ll8.v b/usrp2/fifo/fifo36_to_ll8.v
index 390e49962..5c2da812f 100644
--- a/usrp2/fifo/fifo36_to_ll8.v
+++ b/usrp2/fifo/fifo36_to_ll8.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo36_to_ll8
   (input clk, input reset, input clear,
diff --git a/usrp2/fifo/fifo72_to_fifo36.v b/usrp2/fifo/fifo72_to_fifo36.v
index 1b3bc3ab7..c365f0196 100644
--- a/usrp2/fifo/fifo72_to_fifo36.v
+++ b/usrp2/fifo/fifo72_to_fifo36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Parameter LE tells us if we are little-endian.  
 // Little-endian means send lower 16 bits first.
diff --git a/usrp2/fifo/fifo_19to36_tb.v b/usrp2/fifo/fifo_19to36_tb.v
index c585392c3..143b92b1b 100644
--- a/usrp2/fifo/fifo_19to36_tb.v
+++ b/usrp2/fifo/fifo_19to36_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module fifo_tb();
    
    reg clk = 0;
diff --git a/usrp2/fifo/fifo_2clock.v b/usrp2/fifo/fifo_2clock.v
index f3ed5324f..756ad508f 100644
--- a/usrp2/fifo/fifo_2clock.v
+++ b/usrp2/fifo/fifo_2clock.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIXME ignores the AWIDTH (fifo size) parameter
 
diff --git a/usrp2/fifo/fifo_2clock_cascade.v b/usrp2/fifo/fifo_2clock_cascade.v
index 4e8c244c2..49cac7097 100644
--- a/usrp2/fifo/fifo_2clock_cascade.v
+++ b/usrp2/fifo/fifo_2clock_cascade.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo_2clock_cascade
   #(parameter WIDTH=32, SIZE=9)
diff --git a/usrp2/fifo/fifo_cascade.v b/usrp2/fifo/fifo_cascade.v
index fdd8449bc..5a79c4090 100644
--- a/usrp2/fifo/fifo_cascade.v
+++ b/usrp2/fifo/fifo_cascade.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // This FIFO exists to provide an intermediate point for the data on its
diff --git a/usrp2/fifo/fifo_long.v b/usrp2/fifo/fifo_long.v
index 0426779f6..e9739ad94 100644
--- a/usrp2/fifo/fifo_long.v
+++ b/usrp2/fifo/fifo_long.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIFO intended to be interchangeable with shortfifo, but
 //  based on block ram instead of SRL16's
diff --git a/usrp2/fifo/fifo_pacer.v b/usrp2/fifo/fifo_pacer.v
index 1bf03ab6e..3e3fbf8b8 100644
--- a/usrp2/fifo/fifo_pacer.v
+++ b/usrp2/fifo/fifo_pacer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module fifo_pacer
diff --git a/usrp2/fifo/fifo_short.v b/usrp2/fifo/fifo_short.v
index 53a7603c7..32f26beef 100644
--- a/usrp2/fifo/fifo_short.v
+++ b/usrp2/fifo/fifo_short.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo_short
   #(parameter WIDTH=32)
diff --git a/usrp2/fifo/fifo_tb.v b/usrp2/fifo/fifo_tb.v
index 3e2862a70..c63c201d0 100644
--- a/usrp2/fifo/fifo_tb.v
+++ b/usrp2/fifo/fifo_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module fifo_tb();
    
    reg clk = 0;
diff --git a/usrp2/fifo/ll8_shortfifo.v b/usrp2/fifo/ll8_shortfifo.v
index 39ada9a4f..49b3a3139 100644
--- a/usrp2/fifo/ll8_shortfifo.v
+++ b/usrp2/fifo/ll8_shortfifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ll8_shortfifo
diff --git a/usrp2/fifo/ll8_to_fifo19.v b/usrp2/fifo/ll8_to_fifo19.v
index ac8ac19a6..4503d0c3d 100644
--- a/usrp2/fifo/ll8_to_fifo19.v
+++ b/usrp2/fifo/ll8_to_fifo19.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module ll8_to_fifo19
   (input clk, input reset, input clear,
diff --git a/usrp2/fifo/ll8_to_fifo36.v b/usrp2/fifo/ll8_to_fifo36.v
index 108daa903..b26f745d2 100644
--- a/usrp2/fifo/ll8_to_fifo36.v
+++ b/usrp2/fifo/ll8_to_fifo36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module ll8_to_fifo36
   (input clk, input reset, input clear,
diff --git a/usrp2/fifo/packet32_tb.v b/usrp2/fifo/packet32_tb.v
index 82bb09c29..8a7cfcec5 100644
--- a/usrp2/fifo/packet32_tb.v
+++ b/usrp2/fifo/packet32_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module packet32_tb();
diff --git a/usrp2/fifo/packet_generator.v b/usrp2/fifo/packet_generator.v
index 2ae911e24..5e9d3c2ab 100644
--- a/usrp2/fifo/packet_generator.v
+++ b/usrp2/fifo/packet_generator.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module packet_generator
diff --git a/usrp2/fifo/packet_generator32.v b/usrp2/fifo/packet_generator32.v
index 1dc57191d..7b4e3bd57 100644
--- a/usrp2/fifo/packet_generator32.v
+++ b/usrp2/fifo/packet_generator32.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module packet_generator32
diff --git a/usrp2/fifo/packet_router.v b/usrp2/fifo/packet_router.v
index 04c17b647..7bfa6893d 100644
--- a/usrp2/fifo/packet_router.v
+++ b/usrp2/fifo/packet_router.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module packet_router
     #(
         parameter BUF_SIZE = 9,
diff --git a/usrp2/fifo/packet_tb.v b/usrp2/fifo/packet_tb.v
index 3c423d2ba..ec0665e0a 100644
--- a/usrp2/fifo/packet_tb.v
+++ b/usrp2/fifo/packet_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module packet_tb();
diff --git a/usrp2/fifo/packet_verifier.v b/usrp2/fifo/packet_verifier.v
index 21a4c136e..3cc7b0a04 100644
--- a/usrp2/fifo/packet_verifier.v
+++ b/usrp2/fifo/packet_verifier.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Packet format --
diff --git a/usrp2/fifo/packet_verifier32.v b/usrp2/fifo/packet_verifier32.v
index ec08e657d..3579a9bcf 100644
--- a/usrp2/fifo/packet_verifier32.v
+++ b/usrp2/fifo/packet_verifier32.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module packet_verifier32
diff --git a/usrp2/fifo/splitter36.v b/usrp2/fifo/splitter36.v
index ed998b4f5..d002d7afd 100644
--- a/usrp2/fifo/splitter36.v
+++ b/usrp2/fifo/splitter36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Split packets from a fifo based interface so it goes out identically on two interfaces
 
diff --git a/usrp2/fifo/valve36.v b/usrp2/fifo/valve36.v
index d45eee497..795fe511e 100644
--- a/usrp2/fifo/valve36.v
+++ b/usrp2/fifo/valve36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module valve36
diff --git a/usrp2/gpif/gpif.v b/usrp2/gpif/gpif.v
index 3649654ed..51d6e8ba9 100644
--- a/usrp2/gpif/gpif.v
+++ b/usrp2/gpif/gpif.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 //////////////////////////////////////////////////////////////////////////////////
 
 module gpif
diff --git a/usrp2/gpif/gpif_rd.v b/usrp2/gpif/gpif_rd.v
index 1639f0132..b05c3cfb6 100644
--- a/usrp2/gpif/gpif_rd.v
+++ b/usrp2/gpif/gpif_rd.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module gpif_rd
   (input gpif_clk, input gpif_rst,
diff --git a/usrp2/gpif/gpif_tb.v b/usrp2/gpif/gpif_tb.v
index fe12c83b3..686284c2b 100644
--- a/usrp2/gpif/gpif_tb.v
+++ b/usrp2/gpif/gpif_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module gpif_tb();
    
diff --git a/usrp2/gpif/gpif_wr.v b/usrp2/gpif/gpif_wr.v
index bf95931dc..89fae282e 100644
--- a/usrp2/gpif/gpif_wr.v
+++ b/usrp2/gpif/gpif_wr.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module gpif_wr
   (input gpif_clk, input gpif_rst,
diff --git a/usrp2/gpif/gpif_wr_tb.v b/usrp2/gpif/gpif_wr_tb.v
index 134365c87..171bb96a1 100644
--- a/usrp2/gpif/gpif_wr_tb.v
+++ b/usrp2/gpif/gpif_wr_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module gpif_wr_tb();
    
diff --git a/usrp2/gpif/packet_reframer.v b/usrp2/gpif/packet_reframer.v
index 336c36369..923d499ae 100644
--- a/usrp2/gpif/packet_reframer.v
+++ b/usrp2/gpif/packet_reframer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Join vita packets longer than one GPIF frame, drop padding on short frames
 
diff --git a/usrp2/gpif/packet_splitter.v b/usrp2/gpif/packet_splitter.v
index a55f4cb4f..ba4c8cded 100644
--- a/usrp2/gpif/packet_splitter.v
+++ b/usrp2/gpif/packet_splitter.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Split vita packets longer than one GPIF frame, add padding on short frames
 
diff --git a/usrp2/gpif/packet_splitter_tb.v b/usrp2/gpif/packet_splitter_tb.v
index 877f6ae1c..329b58e0d 100644
--- a/usrp2/gpif/packet_splitter_tb.v
+++ b/usrp2/gpif/packet_splitter_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module packet_splitter_tb();
    
diff --git a/usrp2/gpmc/dbsm.v b/usrp2/gpmc/dbsm.v
index 530af7205..1ee250738 100644
--- a/usrp2/gpmc/dbsm.v
+++ b/usrp2/gpmc/dbsm.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module bsm
   (input clk, input reset, input clear,
diff --git a/usrp2/gpmc/edge_sync.v b/usrp2/gpmc/edge_sync.v
index 5d9417c08..74f1a2f1c 100644
--- a/usrp2/gpmc/edge_sync.v
+++ b/usrp2/gpmc/edge_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module edge_sync
diff --git a/usrp2/gpmc/fifo_to_gpmc_async.v b/usrp2/gpmc/fifo_to_gpmc_async.v
index 9a8e37ce9..bb4c58ec4 100644
--- a/usrp2/gpmc/fifo_to_gpmc_async.v
+++ b/usrp2/gpmc/fifo_to_gpmc_async.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module fifo_to_gpmc_async
   (input clk, input reset, input clear,
diff --git a/usrp2/gpmc/fifo_to_gpmc_sync.v b/usrp2/gpmc/fifo_to_gpmc_sync.v
index ef59d7137..9da9caf86 100644
--- a/usrp2/gpmc/fifo_to_gpmc_sync.v
+++ b/usrp2/gpmc/fifo_to_gpmc_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Assumes a GPMC cycle with GPMC clock, as in the timing diagrams
 //   If a packet bigger or smaller than we are told is sent, behavior is undefined.
diff --git a/usrp2/gpmc/fifo_watcher.v b/usrp2/gpmc/fifo_watcher.v
index fe4e35de3..b139f5143 100644
--- a/usrp2/gpmc/fifo_watcher.v
+++ b/usrp2/gpmc/fifo_watcher.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module fifo_watcher
diff --git a/usrp2/gpmc/gpmc_async.v b/usrp2/gpmc/gpmc_async.v
index 02bf45b8a..c0bec683a 100644
--- a/usrp2/gpmc/gpmc_async.v
+++ b/usrp2/gpmc/gpmc_async.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 //////////////////////////////////////////////////////////////////////////////////
 
 module gpmc_async
diff --git a/usrp2/gpmc/gpmc_sync.v b/usrp2/gpmc/gpmc_sync.v
index 61c54a793..ba7251c8d 100644
--- a/usrp2/gpmc/gpmc_sync.v
+++ b/usrp2/gpmc/gpmc_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 //////////////////////////////////////////////////////////////////////////////////
 
 module gpmc_sync
diff --git a/usrp2/gpmc/gpmc_to_fifo_async.v b/usrp2/gpmc/gpmc_to_fifo_async.v
index 55c0cef50..aa93e52af 100644
--- a/usrp2/gpmc/gpmc_to_fifo_async.v
+++ b/usrp2/gpmc/gpmc_to_fifo_async.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module gpmc_to_fifo_async
   (input [15:0] EM_D, input [1:0] EM_NBE, input EM_NCS, input EM_NWE,
diff --git a/usrp2/gpmc/gpmc_to_fifo_sync.v b/usrp2/gpmc/gpmc_to_fifo_sync.v
index 688de0e17..7ff7afdc2 100644
--- a/usrp2/gpmc/gpmc_to_fifo_sync.v
+++ b/usrp2/gpmc/gpmc_to_fifo_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Assumes a GPMC cycle with GPMC clock, as in the timing diagrams
 //   If a packet bigger or smaller than we are told is sent, behavior is undefined.
diff --git a/usrp2/gpmc/gpmc_wb.v b/usrp2/gpmc/gpmc_wb.v
index db6fbc6e9..645201ef7 100644
--- a/usrp2/gpmc/gpmc_wb.v
+++ b/usrp2/gpmc/gpmc_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module gpmc_wb
diff --git a/usrp2/gpmc/ram_to_fifo.v b/usrp2/gpmc/ram_to_fifo.v
index 8549dcc35..958c88b0f 100644
--- a/usrp2/gpmc/ram_to_fifo.v
+++ b/usrp2/gpmc/ram_to_fifo.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ram_to_fifo
diff --git a/usrp2/models/CY7C1356C/cy1356.v b/usrp2/models/CY7C1356C/cy1356.v
index 9197eea6d..ab7ace610 100644
--- a/usrp2/models/CY7C1356C/cy1356.v
+++ b/usrp2/models/CY7C1356C/cy1356.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `define sb200  

 //************************************************************************

 //************************************************************************

diff --git a/usrp2/models/CY7C1356C/testbench.v b/usrp2/models/CY7C1356C/testbench.v
index 5dde89e6c..01e0cbe00 100644
--- a/usrp2/models/CY7C1356C/testbench.v
+++ b/usrp2/models/CY7C1356C/testbench.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale  1ns /  10ps

 

 

diff --git a/usrp2/models/M24LC024B.v b/usrp2/models/M24LC024B.v
index 45e04b450..5531f80fc 100644
--- a/usrp2/models/M24LC024B.v
+++ b/usrp2/models/M24LC024B.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Modified 11/14/07 to simulate the 24lc024, which responds to the address pins
 
 // *******************************************************************************************************
diff --git a/usrp2/models/M24LC02B.v b/usrp2/models/M24LC02B.v
index 4d9e2c6e2..00ed6f44a 100644
--- a/usrp2/models/M24LC02B.v
+++ b/usrp2/models/M24LC02B.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // *******************************************************************************************************

 // **                                                                           			**

 // **   M24LC02B.v - 24LC02B 2K-BIT I2C SERIAL EEPROM (VCC = +2.5V TO +5.5V)				**

diff --git a/usrp2/models/MULT18X18S.v b/usrp2/models/MULT18X18S.v
index 5d39eeaa6..3ce2a267a 100644
--- a/usrp2/models/MULT18X18S.v
+++ b/usrp2/models/MULT18X18S.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Model of the Xilinx mult18x18s for signed 18x18 bit multiplies,
 // As in the Spartan 3 series
diff --git a/usrp2/models/adc_model.v b/usrp2/models/adc_model.v
index e5a3ee0d8..1d1f1c929 100644
--- a/usrp2/models/adc_model.v
+++ b/usrp2/models/adc_model.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module adc_model
   (input clk, input rst,
diff --git a/usrp2/models/cpld_model.v b/usrp2/models/cpld_model.v
index c886433ae..900577852 100644
--- a/usrp2/models/cpld_model.v
+++ b/usrp2/models/cpld_model.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
  
 module cpld_model
   (input aux_clk, input start, input mode, input done,
diff --git a/usrp2/models/gpmc_model_async.v b/usrp2/models/gpmc_model_async.v
index beeaee028..22b3cdf9f 100644
--- a/usrp2/models/gpmc_model_async.v
+++ b/usrp2/models/gpmc_model_async.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ps/1ps
 
 module gpmc_model_async
diff --git a/usrp2/models/gpmc_model_sync.v b/usrp2/models/gpmc_model_sync.v
index 641720c15..0f66961e7 100644
--- a/usrp2/models/gpmc_model_sync.v
+++ b/usrp2/models/gpmc_model_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module gpmc_model_sync
diff --git a/usrp2/models/math_real.v b/usrp2/models/math_real.v
index e30f68ee7..d88f72669 100644
--- a/usrp2/models/math_real.v
+++ b/usrp2/models/math_real.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 /*

  * This is a general recreation of the VHDL ieee.math_real package.

  */

diff --git a/usrp2/models/miim_model.v b/usrp2/models/miim_model.v
index 936d99a80..8eb8e571d 100644
--- a/usrp2/models/miim_model.v
+++ b/usrp2/models/miim_model.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Skeleton PHY interface simulator
 
diff --git a/usrp2/models/serdes_model.v b/usrp2/models/serdes_model.v
index f10e55554..5e1602163 100644
--- a/usrp2/models/serdes_model.v
+++ b/usrp2/models/serdes_model.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module serdes_model
   (input ser_tx_clk,
diff --git a/usrp2/models/uart_rx.v b/usrp2/models/uart_rx.v
index f698a50fe..738ffb45b 100644
--- a/usrp2/models/uart_rx.v
+++ b/usrp2/models/uart_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 // Simple printout of characters from the UART
diff --git a/usrp2/models/xlnx_glbl.v b/usrp2/models/xlnx_glbl.v
index 662a60e35..62e29fef4 100644
--- a/usrp2/models/xlnx_glbl.v
+++ b/usrp2/models/xlnx_glbl.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module xlnx_glbl

 (

   GSR,

diff --git a/usrp2/sdr_lib/acc.v b/usrp2/sdr_lib/acc.v
index a2da9c86d..d5fc4b910 100644
--- a/usrp2/sdr_lib/acc.v
+++ b/usrp2/sdr_lib/acc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module acc
   #(parameter IWIDTH=16, OWIDTH=30)
diff --git a/usrp2/sdr_lib/add2.v b/usrp2/sdr_lib/add2.v
index 13fff803e..dcca84fd3 100644
--- a/usrp2/sdr_lib/add2.v
+++ b/usrp2/sdr_lib/add2.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module add2
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_and_round.v b/usrp2/sdr_lib/add2_and_round.v
index 146af28da..7c347527c 100644
--- a/usrp2/sdr_lib/add2_and_round.v
+++ b/usrp2/sdr_lib/add2_and_round.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module add2_and_round
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_and_round_reg.v b/usrp2/sdr_lib/add2_and_round_reg.v
index e7fcbf1a1..5c783bda3 100644
--- a/usrp2/sdr_lib/add2_and_round_reg.v
+++ b/usrp2/sdr_lib/add2_and_round_reg.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module add2_and_round_reg
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_reg.v b/usrp2/sdr_lib/add2_reg.v
index 456cf315b..58d822a61 100644
--- a/usrp2/sdr_lib/add2_reg.v
+++ b/usrp2/sdr_lib/add2_reg.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module add2_reg
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/dsp_core_rx.v b/usrp2/sdr_lib/dsp_core_rx.v
index a315234cf..0e69e53f7 100644
--- a/usrp2/sdr_lib/dsp_core_rx.v
+++ b/usrp2/sdr_lib/dsp_core_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module dsp_core_rx
   #(parameter BASE = 160)
diff --git a/usrp2/sdr_lib/dsp_core_rx_old.v b/usrp2/sdr_lib/dsp_core_rx_old.v
index ba301e91b..90d5d839f 100644
--- a/usrp2/sdr_lib/dsp_core_rx_old.v
+++ b/usrp2/sdr_lib/dsp_core_rx_old.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 module dsp_core_rx_old
diff --git a/usrp2/sdr_lib/dsp_core_rx_udp.v b/usrp2/sdr_lib/dsp_core_rx_udp.v
index 1e689fc7f..08dab37e6 100644
--- a/usrp2/sdr_lib/dsp_core_rx_udp.v
+++ b/usrp2/sdr_lib/dsp_core_rx_udp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module dsp_core_rx
   #(parameter BASE = 160)
diff --git a/usrp2/sdr_lib/dsp_core_tx.v b/usrp2/sdr_lib/dsp_core_tx.v
index 79d92c9b3..58bd82f6e 100644
--- a/usrp2/sdr_lib/dsp_core_tx.v
+++ b/usrp2/sdr_lib/dsp_core_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module dsp_core_tx
   #(parameter BASE=0)
diff --git a/usrp2/sdr_lib/dummy_rx.v b/usrp2/sdr_lib/dummy_rx.v
index 99290ecec..b22d5f896 100644
--- a/usrp2/sdr_lib/dummy_rx.v
+++ b/usrp2/sdr_lib/dummy_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 module dummy_rx
diff --git a/usrp2/sdr_lib/halfband_ideal.v b/usrp2/sdr_lib/halfband_ideal.v
index 484cfff2a..e0b04cf86 100644
--- a/usrp2/sdr_lib/halfband_ideal.v
+++ b/usrp2/sdr_lib/halfband_ideal.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module halfband_ideal (
     input                           clock,
     input                           reset,
diff --git a/usrp2/sdr_lib/halfband_tb.v b/usrp2/sdr_lib/halfband_tb.v
index 231dd00d7..80f46fe36 100644
--- a/usrp2/sdr_lib/halfband_tb.v
+++ b/usrp2/sdr_lib/halfband_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module halfband_tb( ) ;
     
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb/acc.v b/usrp2/sdr_lib/hb/acc.v
index 195d5ea94..d7be895c6 100644
--- a/usrp2/sdr_lib/hb/acc.v
+++ b/usrp2/sdr_lib/hb/acc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module acc (input clock, input reset, input clear, input enable_in, output reg enable_out,
diff --git a/usrp2/sdr_lib/hb/coeff_ram.v b/usrp2/sdr_lib/hb/coeff_ram.v
index 65460822f..525c22abc 100644
--- a/usrp2/sdr_lib/hb/coeff_ram.v
+++ b/usrp2/sdr_lib/hb/coeff_ram.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module coeff_ram (input clock, input [3:0] rd_addr, output reg [15:0] rd_data);
diff --git a/usrp2/sdr_lib/hb/coeff_rom.v b/usrp2/sdr_lib/hb/coeff_rom.v
index 7f8886b4e..a43c8391a 100644
--- a/usrp2/sdr_lib/hb/coeff_rom.v
+++ b/usrp2/sdr_lib/hb/coeff_rom.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module coeff_rom (input clock, input [2:0] addr, output reg [15:0] data);
diff --git a/usrp2/sdr_lib/hb/halfband_interp.v b/usrp2/sdr_lib/hb/halfband_interp.v
index cdb11c1f6..83bdc9fad 100644
--- a/usrp2/sdr_lib/hb/halfband_interp.v
+++ b/usrp2/sdr_lib/hb/halfband_interp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module halfband_interp 
diff --git a/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v b/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
index 01ab5e7e0..450f90e66 100644
--- a/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
+++ b/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module test_hbd();
diff --git a/usrp2/sdr_lib/hb/mac.v b/usrp2/sdr_lib/hb/mac.v
index 5a270bc73..8058a6db4 100644
--- a/usrp2/sdr_lib/hb/mac.v
+++ b/usrp2/sdr_lib/hb/mac.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module mac (input clock, input reset, input enable, input clear,
diff --git a/usrp2/sdr_lib/hb/mult.v b/usrp2/sdr_lib/hb/mult.v
index a8d4cb1b7..a50ae69e2 100644
--- a/usrp2/sdr_lib/hb/mult.v
+++ b/usrp2/sdr_lib/hb/mult.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module mult (input clock, input signed [15:0] x, input signed [15:0] y, output reg signed [30:0] product,
diff --git a/usrp2/sdr_lib/hb/ram16_2port.v b/usrp2/sdr_lib/hb/ram16_2port.v
index e1761a926..631cf5a41 100644
--- a/usrp2/sdr_lib/hb/ram16_2port.v
+++ b/usrp2/sdr_lib/hb/ram16_2port.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ram16_2port (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb/ram16_2sum.v b/usrp2/sdr_lib/hb/ram16_2sum.v
index 559b06fd5..f9ec1837e 100644
--- a/usrp2/sdr_lib/hb/ram16_2sum.v
+++ b/usrp2/sdr_lib/hb/ram16_2sum.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ram16_2sum (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb/ram32_2sum.v b/usrp2/sdr_lib/hb/ram32_2sum.v
index d1f55b7d0..f7032835e 100644
--- a/usrp2/sdr_lib/hb/ram32_2sum.v
+++ b/usrp2/sdr_lib/hb/ram32_2sum.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module ram32_2sum (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb_dec.v b/usrp2/sdr_lib/hb_dec.v
index 8fb5ba222..9747f0adb 100644
--- a/usrp2/sdr_lib/hb_dec.v
+++ b/usrp2/sdr_lib/hb_dec.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Final halfband decimator 
 // Implements impulse responses of the form [A 0 B 0 C .. 0 H 0.5 H 0 .. C 0 B 0 A]
 // Strobe in cannot come faster than every 2nd clock cycle
diff --git a/usrp2/sdr_lib/hb_dec_tb.v b/usrp2/sdr_lib/hb_dec_tb.v
index 3e5faa80a..256f6085d 100644
--- a/usrp2/sdr_lib/hb_dec_tb.v
+++ b/usrp2/sdr_lib/hb_dec_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module hb_dec_tb( ) ;
    
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb_interp.v b/usrp2/sdr_lib/hb_interp.v
index d16807e15..deb4fe056 100644
--- a/usrp2/sdr_lib/hb_interp.v
+++ b/usrp2/sdr_lib/hb_interp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // First halfband iterpolator 
 // Implements impulse responses of the form [A 0 B 0 C .. 0 H 0.5 H 0 .. C 0 B 0 A]
 // Strobe in cannot come faster than every 4th clock cycle, 
diff --git a/usrp2/sdr_lib/hb_interp_tb.v b/usrp2/sdr_lib/hb_interp_tb.v
index 52f137f28..239412155 100644
--- a/usrp2/sdr_lib/hb_interp_tb.v
+++ b/usrp2/sdr_lib/hb_interp_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module hb_interp_tb( ) ;
    
    // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb_tb.v b/usrp2/sdr_lib/hb_tb.v
index 7e960fd13..3260ac738 100644
--- a/usrp2/sdr_lib/hb_tb.v
+++ b/usrp2/sdr_lib/hb_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module hb_tb();
 
diff --git a/usrp2/sdr_lib/integrate.v b/usrp2/sdr_lib/integrate.v
index db33de979..ce674d470 100644
--- a/usrp2/sdr_lib/integrate.v
+++ b/usrp2/sdr_lib/integrate.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module integrate
   #(parameter INPUTW = 16,
     parameter ACCUMW = 32,
diff --git a/usrp2/sdr_lib/med_hb_int.v b/usrp2/sdr_lib/med_hb_int.v
index bc8066509..f619dc81b 100644
--- a/usrp2/sdr_lib/med_hb_int.v
+++ b/usrp2/sdr_lib/med_hb_int.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Medium halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0 C 0 D 0.5 D 0 C 0 B 0 A]
 //
diff --git a/usrp2/sdr_lib/rssi.v b/usrp2/sdr_lib/rssi.v
index e45e2148c..e931ff865 100644
--- a/usrp2/sdr_lib/rssi.v
+++ b/usrp2/sdr_lib/rssi.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module rssi (input clock, input reset, input enable,
diff --git a/usrp2/sdr_lib/rx_control.v b/usrp2/sdr_lib/rx_control.v
index 0adeb0794..12f411ffe 100644
--- a/usrp2/sdr_lib/rx_control.v
+++ b/usrp2/sdr_lib/rx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 
diff --git a/usrp2/sdr_lib/rx_dcoffset.v b/usrp2/sdr_lib/rx_dcoffset.v
index bedbd40e6..64ff4110d 100644
--- a/usrp2/sdr_lib/rx_dcoffset.v
+++ b/usrp2/sdr_lib/rx_dcoffset.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module rx_dcoffset 
diff --git a/usrp2/sdr_lib/rx_dcoffset_tb.v b/usrp2/sdr_lib/rx_dcoffset_tb.v
index a8b4ec20f..b0dd8cb05 100644
--- a/usrp2/sdr_lib/rx_dcoffset_tb.v
+++ b/usrp2/sdr_lib/rx_dcoffset_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `timescale 1ns/1ns
 module rx_dcoffset_tb();
diff --git a/usrp2/sdr_lib/small_hb_dec.v b/usrp2/sdr_lib/small_hb_dec.v
index 8519b628a..151b8c287 100644
--- a/usrp2/sdr_lib/small_hb_dec.v
+++ b/usrp2/sdr_lib/small_hb_dec.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Short halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0.5 B 0 A]
 //
diff --git a/usrp2/sdr_lib/small_hb_dec_tb.v b/usrp2/sdr_lib/small_hb_dec_tb.v
index 0d6a0689e..1e713321a 100644
--- a/usrp2/sdr_lib/small_hb_dec_tb.v
+++ b/usrp2/sdr_lib/small_hb_dec_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module hb_dec_tb( ) ;
    
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/small_hb_int.v b/usrp2/sdr_lib/small_hb_int.v
index f80d3cac3..387f9e1cb 100644
--- a/usrp2/sdr_lib/small_hb_int.v
+++ b/usrp2/sdr_lib/small_hb_int.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // Short halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0.5 B 0 A]
 //
diff --git a/usrp2/sdr_lib/small_hb_int_tb.v b/usrp2/sdr_lib/small_hb_int_tb.v
index 71d77f0a8..fe1e1a7dd 100644
--- a/usrp2/sdr_lib/small_hb_int_tb.v
+++ b/usrp2/sdr_lib/small_hb_int_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module small_hb_int_tb( ) ;
    
    // Parameters for instantiation
diff --git a/usrp2/sdr_lib/tx_control.v b/usrp2/sdr_lib/tx_control.v
index e5fed0b93..e6866a40c 100644
--- a/usrp2/sdr_lib/tx_control.v
+++ b/usrp2/sdr_lib/tx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `define DSP_CORE_TX_BASE 128
 
diff --git a/usrp2/serdes/serdes.v b/usrp2/serdes/serdes.v
index 17049bfe6..edbc46419 100644
--- a/usrp2/serdes/serdes.v
+++ b/usrp2/serdes/serdes.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // SERDES TX and RX along with all flow control logic
 
diff --git a/usrp2/serdes/serdes_fc_rx.v b/usrp2/serdes/serdes_fc_rx.v
index 4dd46e27f..9ea32cf8d 100644
--- a/usrp2/serdes/serdes_fc_rx.v
+++ b/usrp2/serdes/serdes_fc_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module serdes_fc_rx
diff --git a/usrp2/serdes/serdes_fc_tx.v b/usrp2/serdes/serdes_fc_tx.v
index 2fe967c8d..0a62ae2e5 100644
--- a/usrp2/serdes/serdes_fc_tx.v
+++ b/usrp2/serdes/serdes_fc_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module serdes_fc_tx
diff --git a/usrp2/serdes/serdes_rx.v b/usrp2/serdes/serdes_rx.v
index b6688e858..1950d4e2a 100644
--- a/usrp2/serdes/serdes_rx.v
+++ b/usrp2/serdes/serdes_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // SERDES Interface
 
diff --git a/usrp2/serdes/serdes_tb.v b/usrp2/serdes/serdes_tb.v
index eb8e019fc..685a8580d 100644
--- a/usrp2/serdes/serdes_tb.v
+++ b/usrp2/serdes/serdes_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // FIXME need to add flow control
 
diff --git a/usrp2/serdes/serdes_tx.v b/usrp2/serdes/serdes_tx.v
index 2e5e3bd80..0cd077e5c 100644
--- a/usrp2/serdes/serdes_tx.v
+++ b/usrp2/serdes/serdes_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // SERDES Interface
 
diff --git a/usrp2/simple_gemac/address_filter.v b/usrp2/simple_gemac/address_filter.v
index 50a52b954..bf6194600 100644
--- a/usrp2/simple_gemac/address_filter.v
+++ b/usrp2/simple_gemac/address_filter.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module address_filter
diff --git a/usrp2/simple_gemac/address_filter_promisc.v b/usrp2/simple_gemac/address_filter_promisc.v
index 6047e7c93..3ff05fbe1 100644
--- a/usrp2/simple_gemac/address_filter_promisc.v
+++ b/usrp2/simple_gemac/address_filter_promisc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module address_filter_promisc
diff --git a/usrp2/simple_gemac/crc.v b/usrp2/simple_gemac/crc.v
index ac019083a..ef62f8ff8 100644
--- a/usrp2/simple_gemac/crc.v
+++ b/usrp2/simple_gemac/crc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 

 module crc

   (input clk, 

diff --git a/usrp2/simple_gemac/delay_line.v b/usrp2/simple_gemac/delay_line.v
index d371bb9c5..5a559a504 100644
--- a/usrp2/simple_gemac/delay_line.v
+++ b/usrp2/simple_gemac/delay_line.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module delay_line
diff --git a/usrp2/simple_gemac/eth_tasks.v b/usrp2/simple_gemac/eth_tasks.v
index d49f30e24..731fd6d52 100644
--- a/usrp2/simple_gemac/eth_tasks.v
+++ b/usrp2/simple_gemac/eth_tasks.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 task SendFlowCtrl;
diff --git a/usrp2/simple_gemac/eth_tasks_f19.v b/usrp2/simple_gemac/eth_tasks_f19.v
index ff3ae5407..3ff23a413 100644
--- a/usrp2/simple_gemac/eth_tasks_f19.v
+++ b/usrp2/simple_gemac/eth_tasks_f19.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 task SendFlowCtrl;
diff --git a/usrp2/simple_gemac/eth_tasks_f36.v b/usrp2/simple_gemac/eth_tasks_f36.v
index dc64971d4..dee651d80 100644
--- a/usrp2/simple_gemac/eth_tasks_f36.v
+++ b/usrp2/simple_gemac/eth_tasks_f36.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 task SendFlowCtrl;
diff --git a/usrp2/simple_gemac/ethrx_realign.v b/usrp2/simple_gemac/ethrx_realign.v
index 0a369c914..a08feb91e 100644
--- a/usrp2/simple_gemac/ethrx_realign.v
+++ b/usrp2/simple_gemac/ethrx_realign.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // NOTE:  Will not work with single-line frames
 
diff --git a/usrp2/simple_gemac/ethtx_realign.v b/usrp2/simple_gemac/ethtx_realign.v
index be53abf4c..236b2d4e1 100644
--- a/usrp2/simple_gemac/ethtx_realign.v
+++ b/usrp2/simple_gemac/ethtx_realign.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 ////////////////////////////////////////////////////////////////////////
 // Ethernet TX - Realign
diff --git a/usrp2/simple_gemac/flow_ctrl_rx.v b/usrp2/simple_gemac/flow_ctrl_rx.v
index d09bf377f..aa12875f2 100644
--- a/usrp2/simple_gemac/flow_ctrl_rx.v
+++ b/usrp2/simple_gemac/flow_ctrl_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 

 // RX side of flow control -- when we are running out of RX space, send a PAUSE

 

diff --git a/usrp2/simple_gemac/flow_ctrl_tx.v b/usrp2/simple_gemac/flow_ctrl_tx.v
index f80f5a76d..bdc1e4701 100644
--- a/usrp2/simple_gemac/flow_ctrl_tx.v
+++ b/usrp2/simple_gemac/flow_ctrl_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 

 // TX side of flow control -- when other side sends PAUSE, we wait

 

diff --git a/usrp2/simple_gemac/ll8_to_txmac.v b/usrp2/simple_gemac/ll8_to_txmac.v
index 3530a0c59..ac81afa63 100644
--- a/usrp2/simple_gemac/ll8_to_txmac.v
+++ b/usrp2/simple_gemac/ll8_to_txmac.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module ll8_to_txmac
   (input clk, input reset, input clear,
diff --git a/usrp2/simple_gemac/rxmac_to_ll8.v b/usrp2/simple_gemac/rxmac_to_ll8.v
index 5ec233d95..5acb08bb7 100644
--- a/usrp2/simple_gemac/rxmac_to_ll8.v
+++ b/usrp2/simple_gemac/rxmac_to_ll8.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module rxmac_to_ll8
   (input clk, input reset, input clear,
diff --git a/usrp2/simple_gemac/simple_gemac.v b/usrp2/simple_gemac/simple_gemac.v
index 2dd8deb99..ec13d3c96 100644
--- a/usrp2/simple_gemac/simple_gemac.v
+++ b/usrp2/simple_gemac/simple_gemac.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_gemac
   (input clk125, input reset,
diff --git a/usrp2/simple_gemac/simple_gemac_rx.v b/usrp2/simple_gemac/simple_gemac_rx.v
index 32f517bb3..e6c0424bd 100644
--- a/usrp2/simple_gemac/simple_gemac_rx.v
+++ b/usrp2/simple_gemac/simple_gemac_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_gemac_rx
diff --git a/usrp2/simple_gemac/simple_gemac_tb.v b/usrp2/simple_gemac/simple_gemac_tb.v
index 6091751a7..ed7d796dc 100644
--- a/usrp2/simple_gemac/simple_gemac_tb.v
+++ b/usrp2/simple_gemac/simple_gemac_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_gemac_tb;
diff --git a/usrp2/simple_gemac/simple_gemac_tx.v b/usrp2/simple_gemac/simple_gemac_tx.v
index dd870d04d..ecabc3dad 100644
--- a/usrp2/simple_gemac/simple_gemac_tx.v
+++ b/usrp2/simple_gemac/simple_gemac_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_gemac_tx
   (input clk125, input reset,
diff --git a/usrp2/simple_gemac/simple_gemac_wb.v b/usrp2/simple_gemac/simple_gemac_wb.v
index 1ef38be11..bcf18f9a8 100644
--- a/usrp2/simple_gemac/simple_gemac_wb.v
+++ b/usrp2/simple_gemac/simple_gemac_wb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module wb_reg
   #(parameter ADDR=0,
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper.v b/usrp2/simple_gemac/simple_gemac_wrapper.v
index 8390eb2c6..9763578b9 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_gemac_wrapper
   #(parameter RXFIFOSIZE=9,
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19.v b/usrp2/simple_gemac/simple_gemac_wrapper19.v
index 2ac8b9be1..3e1793d82 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper19.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper19.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module simple_gemac_wrapper19
   #(parameter RXFIFOSIZE=9,
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v b/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v
index b61d60d30..78f525fd7 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_gemac_wrapper19_tb;
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper_f36_tb.v b/usrp2/simple_gemac/simple_gemac_wrapper_f36_tb.v
index 804fa8748..2904e38d4 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper_f36_tb.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper_f36_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_gemac_wrapper_f36_tb;
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper_tb.v b/usrp2/simple_gemac/simple_gemac_wrapper_tb.v
index 0aadc7e93..5a3f3f832 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper_tb.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_gemac_wrapper_tb;
diff --git a/usrp2/testbench/single_u2_sim.v b/usrp2/testbench/single_u2_sim.v
index 2a7b24849..f25374613 100644
--- a/usrp2/testbench/single_u2_sim.v
+++ b/usrp2/testbench/single_u2_sim.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/timing/simple_timer.v b/usrp2/timing/simple_timer.v
index 17c7f1c36..56ba8ffe8 100644
--- a/usrp2/timing/simple_timer.v
+++ b/usrp2/timing/simple_timer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module simple_timer
diff --git a/usrp2/timing/time_64bit.v b/usrp2/timing/time_64bit.v
index 8122cc6ea..d32f4220b 100644
--- a/usrp2/timing/time_64bit.v
+++ b/usrp2/timing/time_64bit.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module time_64bit
diff --git a/usrp2/timing/time_compare.v b/usrp2/timing/time_compare.v
index cb2b6d860..54ea000d6 100644
--- a/usrp2/timing/time_compare.v
+++ b/usrp2/timing/time_compare.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 // Top 32 bits are integer seconds, bottom 32 are clock ticks within a second
 
diff --git a/usrp2/timing/time_receiver.v b/usrp2/timing/time_receiver.v
index 897f71186..a03337552 100644
--- a/usrp2/timing/time_receiver.v
+++ b/usrp2/timing/time_receiver.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module time_receiver
   (input clk, input rst,
diff --git a/usrp2/timing/time_sender.v b/usrp2/timing/time_sender.v
index f4ee5226a..fdf6b1240 100644
--- a/usrp2/timing/time_sender.v
+++ b/usrp2/timing/time_sender.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module time_sender
diff --git a/usrp2/timing/time_sync.v b/usrp2/timing/time_sync.v
index c0c8e195f..a823e9e1b 100644
--- a/usrp2/timing/time_sync.v
+++ b/usrp2/timing/time_sync.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module time_sync
diff --git a/usrp2/timing/time_transfer_tb.v b/usrp2/timing/time_transfer_tb.v
index 0c164f82c..288540702 100644
--- a/usrp2/timing/time_transfer_tb.v
+++ b/usrp2/timing/time_transfer_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 `timescale 1ns / 1ps
 
diff --git a/usrp2/timing/timer.v b/usrp2/timing/timer.v
index 70c9746be..216a9294c 100644
--- a/usrp2/timing/timer.v
+++ b/usrp2/timing/timer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module timer
diff --git a/usrp2/top/B100/u1plus.v b/usrp2/top/B100/u1plus.v
index 9aafef3ce..5e3200580 100644
--- a/usrp2/top/B100/u1plus.v
+++ b/usrp2/top/B100/u1plus.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/top/B100/u1plus_core.v b/usrp2/top/B100/u1plus_core.v
index 898f5950c..8a02f0fb8 100644
--- a/usrp2/top/B100/u1plus_core.v
+++ b/usrp2/top/B100/u1plus_core.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module u1plus_core
diff --git a/usrp2/top/E1x0/passthru.v b/usrp2/top/E1x0/passthru.v
index 12e4db017..486257366 100644
--- a/usrp2/top/E1x0/passthru.v
+++ b/usrp2/top/E1x0/passthru.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/top/E1x0/tb_u1e.v b/usrp2/top/E1x0/tb_u1e.v
index 5fc8134fb..188190f04 100644
--- a/usrp2/top/E1x0/tb_u1e.v
+++ b/usrp2/top/E1x0/tb_u1e.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ps / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/top/E1x0/u1e.v b/usrp2/top/E1x0/u1e.v
index 445b14a03..adf42fd07 100644
--- a/usrp2/top/E1x0/u1e.v
+++ b/usrp2/top/E1x0/u1e.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/top/E1x0/u1e_core.v b/usrp2/top/E1x0/u1e_core.v
index d10a3ab30..4c513587b 100644
--- a/usrp2/top/E1x0/u1e_core.v
+++ b/usrp2/top/E1x0/u1e_core.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module u1e_core
diff --git a/usrp2/top/N2x0/capture_ddrlvds.v b/usrp2/top/N2x0/capture_ddrlvds.v
index d263e0cfa..e261dcbe8 100644
--- a/usrp2/top/N2x0/capture_ddrlvds.v
+++ b/usrp2/top/N2x0/capture_ddrlvds.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module capture_ddrlvds
diff --git a/usrp2/top/N2x0/rev4_defs.v b/usrp2/top/N2x0/rev4_defs.v
index e37f34851..f8f6667ac 100644
--- a/usrp2/top/N2x0/rev4_defs.v
+++ b/usrp2/top/N2x0/rev4_defs.v
@@ -1 +1,18 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `define LVDS 1
diff --git a/usrp2/top/N2x0/u2plus.v b/usrp2/top/N2x0/u2plus.v
index 7bf467fde..be6cdeeca 100644
--- a/usrp2/top/N2x0/u2plus.v
+++ b/usrp2/top/N2x0/u2plus.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //`define LVDS 1
 //`define DCM_FOR_RAMCLK
diff --git a/usrp2/top/N2x0/u2plus_core.v b/usrp2/top/N2x0/u2plus_core.v
index ee5d7efcd..8a7c6ddee 100644
--- a/usrp2/top/N2x0/u2plus_core.v
+++ b/usrp2/top/N2x0/u2plus_core.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // ////////////////////////////////////////////////////////////////////////////////
 // Module Name:    u2_core
 // ////////////////////////////////////////////////////////////////////////////////
diff --git a/usrp2/top/USRP2/u2_core.v b/usrp2/top/USRP2/u2_core.v
index 0e6120ec6..ca9762ac5 100644
--- a/usrp2/top/USRP2/u2_core.v
+++ b/usrp2/top/USRP2/u2_core.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 // ////////////////////////////////////////////////////////////////////////////////
 // Module Name:    u2_core
 // ////////////////////////////////////////////////////////////////////////////////
diff --git a/usrp2/top/USRP2/u2_rev3.v b/usrp2/top/USRP2/u2_rev3.v
index bc7ae5f16..4b0bb5541 100644
--- a/usrp2/top/USRP2/u2_rev3.v
+++ b/usrp2/top/USRP2/u2_rev3.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 `timescale 1ns / 1ps
 //////////////////////////////////////////////////////////////////////////////////
 
diff --git a/usrp2/udp/add_onescomp.v b/usrp2/udp/add_onescomp.v
index 048842a86..e02604114 100644
--- a/usrp2/udp/add_onescomp.v
+++ b/usrp2/udp/add_onescomp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module add_onescomp
diff --git a/usrp2/udp/fifo19_rxrealign.v b/usrp2/udp/fifo19_rxrealign.v
index 35ad90951..da5fd20af 100644
--- a/usrp2/udp/fifo19_rxrealign.v
+++ b/usrp2/udp/fifo19_rxrealign.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 //  Adds a junk line at the beginning of every packet, which the
diff --git a/usrp2/udp/prot_eng_rx.v b/usrp2/udp/prot_eng_rx.v
index 5df158b2b..ccb59b7ff 100644
--- a/usrp2/udp/prot_eng_rx.v
+++ b/usrp2/udp/prot_eng_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 
diff --git a/usrp2/udp/prot_eng_tx.v b/usrp2/udp/prot_eng_tx.v
index b4f6e55b8..40abf3c04 100644
--- a/usrp2/udp/prot_eng_tx.v
+++ b/usrp2/udp/prot_eng_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module prot_eng_tx
   #(parameter BASE=0)
diff --git a/usrp2/udp/prot_eng_tx_tb.v b/usrp2/udp/prot_eng_tx_tb.v
index 138794e57..866093ef5 100644
--- a/usrp2/udp/prot_eng_tx_tb.v
+++ b/usrp2/udp/prot_eng_tx_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 module prot_eng_tx_tb();
 
    localparam BASE = 128;
diff --git a/usrp2/udp/udp_wrapper.v b/usrp2/udp/udp_wrapper.v
index f4c642615..20bcb477b 100644
--- a/usrp2/udp/udp_wrapper.v
+++ b/usrp2/udp/udp_wrapper.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module udp_wrapper
   #(parameter BASE=0)
diff --git a/usrp2/vrt/gen_context_pkt.v b/usrp2/vrt/gen_context_pkt.v
index cc34cceed..bdfca8237 100644
--- a/usrp2/vrt/gen_context_pkt.v
+++ b/usrp2/vrt/gen_context_pkt.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module gen_context_pkt
diff --git a/usrp2/vrt/trigger_context_pkt.v b/usrp2/vrt/trigger_context_pkt.v
index 1d456814b..3d9c2e5c6 100644
--- a/usrp2/vrt/trigger_context_pkt.v
+++ b/usrp2/vrt/trigger_context_pkt.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module trigger_context_pkt
diff --git a/usrp2/vrt/vita_pkt_gen.v b/usrp2/vrt/vita_pkt_gen.v
index fea312188..b962254a6 100644
--- a/usrp2/vrt/vita_pkt_gen.v
+++ b/usrp2/vrt/vita_pkt_gen.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module vita_pkt_gen
diff --git a/usrp2/vrt/vita_rx_chain.v b/usrp2/vrt/vita_rx_chain.v
index 28955d108..1986743b3 100644
--- a/usrp2/vrt/vita_rx_chain.v
+++ b/usrp2/vrt/vita_rx_chain.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_rx_chain
   #(parameter BASE=0,
diff --git a/usrp2/vrt/vita_rx_control.v b/usrp2/vrt/vita_rx_control.v
index 4c0cef50d..39f32d7fe 100644
--- a/usrp2/vrt/vita_rx_control.v
+++ b/usrp2/vrt/vita_rx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_rx_control
   #(parameter BASE=0,
diff --git a/usrp2/vrt/vita_rx_framer.v b/usrp2/vrt/vita_rx_framer.v
index 04b636778..bd09315bc 100644
--- a/usrp2/vrt/vita_rx_framer.v
+++ b/usrp2/vrt/vita_rx_framer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_rx_framer
   #(parameter BASE=0,
diff --git a/usrp2/vrt/vita_rx_tb.v b/usrp2/vrt/vita_rx_tb.v
index 023934f39..8cd08a972 100644
--- a/usrp2/vrt/vita_rx_tb.v
+++ b/usrp2/vrt/vita_rx_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module vita_rx_tb;
diff --git a/usrp2/vrt/vita_tx_chain.v b/usrp2/vrt/vita_tx_chain.v
index fa84d7a2f..542968afa 100644
--- a/usrp2/vrt/vita_tx_chain.v
+++ b/usrp2/vrt/vita_tx_chain.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_tx_chain
   #(parameter BASE_CTRL=0,
diff --git a/usrp2/vrt/vita_tx_control.v b/usrp2/vrt/vita_tx_control.v
index 14b97a215..5df89bdbe 100644
--- a/usrp2/vrt/vita_tx_control.v
+++ b/usrp2/vrt/vita_tx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_tx_control
   #(parameter BASE=0,
diff --git a/usrp2/vrt/vita_tx_deframer.v b/usrp2/vrt/vita_tx_deframer.v
index 163c2af20..06ca27767 100644
--- a/usrp2/vrt/vita_tx_deframer.v
+++ b/usrp2/vrt/vita_tx_deframer.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 module vita_tx_deframer
   #(parameter BASE=0,
diff --git a/usrp2/vrt/vita_tx_tb.v b/usrp2/vrt/vita_tx_tb.v
index a118ffd4e..b686a8a16 100644
--- a/usrp2/vrt/vita_tx_tb.v
+++ b/usrp2/vrt/vita_tx_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
 
 
 module vita_tx_tb;